org.nustaq.fastcast.util.Sleeper Maven / Gradle / Ivy

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/*
 * Copyright 2014 Ruediger Moeller.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.nustaq.fastcast.util;

/**
 * Created with IntelliJ IDEA.
 * User: moelrue
 * Date: 8/12/13
 * Time: 2:28 PM
 */
public class Sleeper {

    public void sleepMicros(int micro) {
        if ( micro <= 0 )
            return;
        long now = System.nanoTime();
        while( System.nanoTime()-now < micro*1000 ) {
            // spin
        }
    }

}